Automess 6150AD-6 Portable Dose Rate Meter

Overview

The Automess 6150AD-6 is a precision-engineered portable dose rate meter designed for reliable, real-time measurement of ambient photon radiation fields—specifically gamma (γ) and X-ray emissions—in low-dose environments. Operating on a dual-sensor architecture—internally integrated Geiger-Müller (GM) detector with optional external probe support—the instrument delivers high reproducibility across its specified energy range (60 keV to 1.3 MeV) and digital dose rate span (0.01 µSv/h to 9.99 mSv/h). Its analog scale (0.1 µSv/h to 10 mSv/h) provides rapid visual assessment, while the microprocessor-controlled auto-ranging circuitry ensures seamless transitions between decades without manual intervention. The device complies fully with German national metrological requirements and carries official type approval from the Physikalisch-Technische Bundesanstalt (PTB), confirming traceable calibration against national standards. As part of the modular 6150AD series, the 6150AD-6 serves as the central readout unit for up to 14 interchangeable external probes—including α/β/γ contamination monitors (e.g., 6150AD-17), high-range gamma detectors (6150AD-15), low-background scintillation sensors (6150AD-b), and extendable pole-mounted configurations (6150AD-t)—enabling field-adaptable deployment in diverse radiological contexts.

Key Features

• Integrated GM tube detector with simultaneous analog needle display and high-resolution digital LCD readout
• Automatic recognition and configuration of connected external probes (e.g., “ext 17” for 6150AD-17), including dynamic scaling and unit assignment
• Real-time display of current dose rate, time-weighted average, peak value, and accumulated dose since reset
• Programmable alarm thresholds for both instantaneous dose rate and total accumulated dose, with audible and visual alerting
• RS232 serial interface supporting bidirectional communication with PCs for data logging, post-processing, and report generation
• Robust industrial housing rated IP65 for dust and water resistance; operational temperature range: −10 °C to +50 °C
• Non-volatile memory retains calibration coefficients, alarm settings, and last-measured values during battery replacement
• Compliant power management using standard IEC 6LR61 (9 V) alkaline battery with >200 hours typical runtime

Sample Compatibility & Compliance

The 6150AD-6 is optimized for environmental and occupational monitoring of photon-emitting radionuclides (e.g., ¹³⁷Cs, ⁶⁰Co, ¹⁹²Ir, ²⁴¹Am) in air, surface, and liquid matrices—when used with compatible external probes such as the 6150AD-18 (low-dose γ/X), 6150AD-b (scintillation-based ultra-low-level detection), or 6150AD-K (large-area α/β/γ contamination survey). It supports regulatory workflows aligned with ISO 4037 (X/γ reference radiation fields), IEC 60846-1:2014 (radiation protection instrumentation — dose rate meters), and EURATOM Basic Safety Standards Directive 2013/59. All factory calibrations are traceable to PTB’s primary standards, and documentation includes full uncertainty budgets per ISO/IEC 17025 requirements. The instrument meets electromagnetic compatibility (EMC) criteria per EN 61326-1 and carries CE marking under the EU Radio Equipment Directive (2014/53/EU) and Electromagnetic Compatibility Directive (2014/30/EU).

Software & Data Management

Data acquisition and archival are enabled via the standardized RS232 port using ASCII protocol (9600 baud, 8N1), allowing integration with third-party laboratory information management systems (LIMS) or custom Python/Matlab scripts. Automess-supplied PC software (optional) provides timestamped session logging, graphical trend analysis, configurable export formats (CSV, XML), and audit-trail generation compliant with GLP and GMP principles. All stored measurement records include metadata: probe ID, energy compensation status, battery voltage, measurement duration, and operator-defined location tags. Firmware updates preserve historical calibration parameters and maintain full backward compatibility with legacy probe firmware versions.

Applications

• Routine area monitoring in nuclear medicine departments, radiotherapy bunkers, and PET cyclotron facilities
• Decommissioning surveys and clearance measurements per IAEA RS-G-1.7 and national waste classification protocols
• Environmental surveillance around NORM/TENORM sites (e.g., oil/gas production, phosphate processing)
• Emergency response and first-responder radiological assessment during transport incidents or orphan source recovery
• Quality assurance in radiopharmaceutical manufacturing (USP , EU Annex 15)
• Research-grade low-flux characterization in accelerator laboratories and neutron activation facilities (with appropriate shielding correction)

FAQ

What external probes are compatible with the 6150AD-6?
The 6150AD-6 supports all Automess 6150AD-series probes, including 6150AD-17 (α/β/γ wipe test), 6150AD-18 (low-dose γ/X), 6150AD-b (plastic scintillator), 6150AD-K (large-area contamination), and 6150AD-t (telescopic pole mount), each auto-identified upon connection.
Does the instrument meet FDA 21 CFR Part 11 requirements?
While the 6150AD-6 itself does not implement electronic signature or audit-trail functionality at the hardware level, its data export architecture enables full Part 11 compliance when integrated into validated LIMS environments with appropriate procedural controls.
Can it measure alpha or beta radiation directly?
No—the internal GM detector is insensitive to α and low-energy β particles. Alpha/beta detection requires external probes such as the 6150AD-17 (for surface wipe assays) or 6150AD-K (for large-area counting), both of which interface seamlessly and retain full dose-equivalent reporting capability.
Is calibration traceable to international standards?
Yes—every unit ships with a PTB-issued calibration certificate referencing national primary standards, and periodic recalibration services are available through Automess-accredited service centers in Europe, North America, and APAC regions.
What is the maximum cable length for remote probe operation?
Standard cable options extend to 100 meters; signal integrity and power delivery remain stable across the full range for all supported probe types, subject to correct impedance matching and environmental shielding specifications.